Can anybody check my composition Please do I have a mistake or made a mistake? (thank you so much)?

Question

( part 1) I am going to tell you how were my first day in America. I landed two countries, the first we flew to Riga, than Riga to New York. I felt sad because I was going to miss my grandparents and my brother and my friends too. When I got on the plane there were a lot of people but when they sat down it looked like there were not a lot of people. When we took off, I looked out the window and I saw clouds in the sky and sometimes I saw some land. When I got off the plane I saw a lot of people from different stile and they were also extremely different. My cousin met me from JFK airport and we went to his house.

Answer 1

there was a lot of people

or

there were many people

got off the plane I saw many people

JFK International Airport

or

JFK Airport

Answer 2

part 1) I am going to tell you about my first day in America. I flew to Riga, and then to New York. I felt sad because I was going to miss my grandparents, my brother, and my friends. When I got on the plane there were a lot of people but when they sat down it didn't seem crowded at all. When we took off, I looked out the window and I saw clouds in the sky and sometimes I saw some land. When I got off the plane I saw a lot of people dressed in different styles and they were also extremely different. My cousin met me at JFK airport and we went to his house.